专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

2. 发明授权

US5964800A Methods for rotating a prosthetic heart valve within a sewing ring 失效
标题翻译：在缝合环内旋转假体心脏瓣膜的方法
公开(公告)号：US5964800A
公开(公告)日：1999-10-12
申请号：US912021
申请日：1997-08-15
申请人： Robert Sparks , Chris Kingsbury , David Wieting
发明人： Robert Sparks , Chris Kingsbury , David Wieting
IPC分类号： A61F2/24
CPC分类号： A61F2/2409 , A61F2/2427 , A61F2/2403 , Y10S623/904
摘要： Methods for rotating a heart valve body rotatably mounted within a sewing ring. The valve body includes a plurality of drive surfaces on an inner periphery, and a rotator has a plurality of drive surfaces on an exterior periphery. The drive and driven surfaces are in registration only in discrete relative orientations of the two parts about a common axis of rotation. The drive surfaces may be greater in number than the driven surfaces, to reduce the rotational angle that the rotator must be turned before registering with the valve body. The drive and driven surfaces may be formed as flats on each respective part. In one embodiment, the rotator includes a cylindrical distal end with three pairs of diametrically opposed external flats, and the valve body includes a single pair of diametrically opposed internal flats. The rotator is designed so that a surgeon need only rotate it a maximum of 90.degree. in either direction.
摘要翻译：旋转地安装在缝合环内的旋转心脏阀体的方法。阀体包括在内周上的多个驱动表面，并且转子在外周上具有多个驱动表面。驱动和驱动表面仅在相对于公共旋转轴线的两个部件的离散相对取向上对准。驱动表面的数量可能大于被驱动表面，从而减小旋转器在与阀体对准之前必须转动的旋转角度。驱动和驱动表面可以形成为每个相应部分上的平面。在一个实施例中，旋转器包括具有三对直径相对的外部平面的圆柱形远端，并且阀体包括一对直径相对的内部平面。旋转器的设计使得外科医生只需要在任一方向上最多旋转90度。

IPRDB

热门服务

关于我们

友情链接

联系方式